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Xerox CopyCentre C20, WorkCentre M20 and WorkCentre M20i User Guide
Welcome
The Ringer Equivalence Number (or REN) is used to determine the number of devices that
may be connected to a telephone line. Excessive RENs on a telephone line may result in the
devices not ringing in response to an incoming call. In most but not all areas, the sum of RENs
should not exceed five (5.0). To be certain of the number of devices that may be connected to
a line, as determined by the total RENs, contact the local Telephone Company. For products
approved after July 23, 2001, the REN for this product is part of the product identifier that has
the format US:AAAEQ##TXXXX. The digits represented by ## are the REN without a decimal
point (e.g., 03 is a REN of 0.3). For earlier products, the REN is separately shown on the label.
If this Xerox equipment causes harm to the telephone network, the Telephone Company will
notify you in advance that temporary discontinuance of service may be required. But if
advance notice isn't practical, the Telephone Company will notify the customer as soon as
possible. Also, you will be advised of your right to file a complaint with the FCC if you believe
it is necessary.
The Telephone Company may make changes in its facilities, equipment, operations or
procedures that could affect the operation of the equipment. If this happens the Telephone
Company will provide advance notice in order for you to make necessary modifications to
maintain uninterrupted service.
If trouble is experienced with this Xerox equipment, for repair or warranty information, please
contact the appropriate service center; details of which are displayed either on the machine or
contained within the user guide. If the equipment is causing harm to the telephone network,
the Telephone Company may request that you disconnect the equipment until the problem is
resolved.
Repairs to the machine should be made only by a Xerox representative or an authorized Xerox
service agency. This applies at any time during or after the service warranty period. If
unauthorized repair is performed, the remainder of the warranty period is null and void.
This equipment must not be used on party lines. Connection to party line service is subject to
state tariffs. Contact the state public utility commission, public service commission or
corporation commission for information.
If your office has specially wired alarm equipment connected to the telephone line, ensure the
installation of this Xerox equipment does not disable your alarm equipment. If you have
questions about what will disable alarm equipment, consult your Telephone Company or a
qualified installer.
Summary of Contents for CopyCentre C20
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